Establish the identity.(1 - cos x)(1 + cos x) = sin2x
What will be an ideal response?
(1 - cos x)(1 + cos x) = 1 - cos2x = sin2x
Mathematics
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Find the linearization of the function at the given point.
at 
A. 
B. 
C. 
D. 
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Solve the quadratic equation.9x2 = 5x
A. 
B. 
C. 
D. 
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Evaluate using any method.
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Solve the problem.The circle graph below shows the results of the student council presidential election. 
The circle graph shows what percent of the vote each person received.How many votes did Ann get?
A. 140 B. 150 C. 90 D. 120
Mathematics